First Add disk from datastore to the VM server node using following steps
Second,This needs to be done in Server level.
1.Login with root user to the server
2.Take backup of fdisk -l and lsblk output to a temp file.
lsblk>tt
fdisk -l>>tt
3.Please check lsblk output
lsblk
[root@XXX rules.d]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 80G 0 disk
├─sda1 8:1 0 512M 0 part /boot
├─sda2 8:2 0 17G 0 part [SWAP]
└─sda3 8:3 0 62.5G 0 part
├─vg00-lvusr 253:0 0 12.8G 0 lvm /usr
├─vg00-lvroot 253:1 0 8.8G 0 lvm /
├─vg00-lvhome 253:8 0 5.5G 0 lvm /home
├─vg00-lvopt 253:9 0 8.8G 0 lvm /opt
├─vg00-lvvar 253:10 0 17.6G 0 lvm /var
└─vg00-lvtmp 253:11 0 8.8G 0 lvm /tmp
sdb 8:16 0 65G 0 disk
└─sdb1 8:17 0 65G 0 part
├─vg_ora-product 253:2 0 14G 0 lvm /u01/app/product
├─vg_ora-oraInventory 253:3 0 2G 0 lvm /u01/app/oraInventory
├─vg_ora-oracle 253:4 0 14G 0 lvm /u01/app/oracle
├─vg_ora-grid 253:5 0 12G 0 lvm /u01/app/grid
├─vg_ora-oraclecd 253:6 0 20G 0 lvm /oraclecd
└─vg_ora-lvoemcc 253:7 0 3G 0 lvm /u01/oemcc
sdc 8:32 0 10G 0 disk
└─sdc1 8:33 0 10G 0 part
sdd 8:48 0 10G 0 disk
└─sdd1 8:49 0 10G 0 part
sde 8:64 0 10G 0 disk
└─sde1 8:65 0 10G 0 part
sdf 8:80 0 100G 0 disk
└─sdf1 8:81 0 100G 0 part
sdg 8:96 0 300G 0 disk
└─sdg1 8:97 0 300G 0 part /TEMPORAL
4.Run following command to probe the disk
echo “- – -” > /sys/class/scsi_host/host0/scan
echo “- – -” > /sys/class/scsi_host/host1/scan
echo “- – -” > /sys/class/scsi_host/host2/scan
[root@XXX rules.d]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 80G 0 disk
├─sda1 8:1 0 512M 0 part /boot
├─sda2 8:2 0 17G 0 part [SWAP]
└─sda3 8:3 0 62.5G 0 part
├─vg00-lvusr 253:0 0 12.8G 0 lvm /usr
├─vg00-lvroot 253:1 0 8.8G 0 lvm /
├─vg00-lvhome 253:8 0 5.5G 0 lvm /home
├─vg00-lvopt 253:9 0 8.8G 0 lvm /opt
├─vg00-lvvar 253:10 0 17.6G 0 lvm /var
└─vg00-lvtmp 253:11 0 8.8G 0 lvm /tmp
sdb 8:16 0 65G 0 disk
└─sdb1 8:17 0 65G 0 part
├─vg_ora-product 253:2 0 14G 0 lvm /u01/app/product
├─vg_ora-oraInventory 253:3 0 2G 0 lvm /u01/app/oraInventory
├─vg_ora-oracle 253:4 0 14G 0 lvm /u01/app/oracle
├─vg_ora-grid 253:5 0 12G 0 lvm /u01/app/grid
├─vg_ora-oraclecd 253:6 0 20G 0 lvm /oraclecd
└─vg_ora-lvoemcc 253:7 0 3G 0 lvm /u01/oemcc
sdc 8:32 0 10G 0 disk
└─sdc1 8:33 0 10G 0 part
sdd 8:48 0 10G 0 disk
└─sdd1 8:49 0 10G 0 part
sde 8:64 0 10G 0 disk
└─sde1 8:65 0 10G 0 part
sdf 8:80 0 100G 0 disk
└─sdf1 8:81 0 100G 0 part
sdg 8:96 0 300G 0 disk
└─sdg1 8:97 0 300G 0 part /TEMPORAL
sdh 8:112 0 100G 0 disk
6.Now run fdisk command to create partition on newly added raw disk
[root@XXX rules.d]# fdisk /dev/sdh
Welcome to fdisk (util-linux 2.23.2).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x30ea7a70.
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p): p
Partition number (1-4, default 1):
First sector (2048-209715199, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-209715199, default 209715199):
Using default value 209715199
Partition 1 of type Linux and of size 100 GiB is set
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
7.Run the lsblk again to check new partition
[root@XXX rules.d]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 80G 0 disk
├─sda1 8:1 0 512M 0 part /boot
├─sda2 8:2 0 17G 0 part [SWAP]
└─sda3 8:3 0 62.5G 0 part
├─vg00-lvusr 253:0 0 12.8G 0 lvm /usr
├─vg00-lvroot 253:1 0 8.8G 0 lvm /
├─vg00-lvhome 253:8 0 5.5G 0 lvm /home
├─vg00-lvopt 253:9 0 8.8G 0 lvm /opt
├─vg00-lvvar 253:10 0 17.6G 0 lvm /var
└─vg00-lvtmp 253:11 0 8.8G 0 lvm /tmp
sdb 8:16 0 65G 0 disk
└─sdb1 8:17 0 65G 0 part
├─vg_ora-product 253:2 0 14G 0 lvm /u01/app/product
├─vg_ora-oraInventory 253:3 0 2G 0 lvm /u01/app/oraInventory
├─vg_ora-oracle 253:4 0 14G 0 lvm /u01/app/oracle
├─vg_ora-grid 253:5 0 12G 0 lvm /u01/app/grid
├─vg_ora-oraclecd 253:6 0 20G 0 lvm /oraclecd
└─vg_ora-lvoemcc 253:7 0 3G 0 lvm /u01/oemcc
sdc 8:32 0 10G 0 disk
└─sdc1 8:33 0 10G 0 part
sdd 8:48 0 10G 0 disk
└─sdd1 8:49 0 10G 0 part
sde 8:64 0 10G 0 disk
└─sde1 8:65 0 10G 0 part
sdf 8:80 0 100G 0 disk
└─sdf1 8:81 0 100G 0 part
sdg 8:96 0 300G 0 disk
└─sdg1 8:97 0 300G 0 part /TEMPORAL
sdh 8:112 0 100G 0 disk
└─sdh1 8:113 0 100G 0 part
8.Please note the scsi_id as following:-
[root@XXX rules.d]# /usr/lib/udev/scsi_id -g -u -d /dev/sdh1
36000c292e30b8d54846d5de1787d8f27
9.Take backup of udev rules
cd /etc/udev/rules.d
[root@XXX rules.d]# cp 99-oracle-asmdevices.rules 99-oracle-asmdevices.rules_old
10.Please add last time changing RESULT and SYMLINK+ (increment it by one)
[root@XXX rules.d]# cat 99-oracle-asmdevices.rules
#sdc1
KERNEL==”sd?1″, SUBSYSTEM==”block”, PROGRAM==”/usr/lib/udev/scsi_id -g -u -d /dev/$parent”, RESULT==”36000c29034fea4393fa82565c3b06de0″, SYMLINK+=”asm-disk01″, OWNER=”grid”, GROUP=”asmadmin”, MODE=”0660″
#sdd1
KERNEL==”sd?1″, SUBSYSTEM==”block”, PROGRAM==”/usr/lib/udev/scsi_id -g -u -d /dev/$parent”, RESULT==”36000c293e4ad06adc3e7b4c1b8ca456c”, SYMLINK+=”asm-disk02″, OWNER=”grid”, GROUP=”asmadmin”, MODE=”0660″
#sde1
KERNEL==”sd?1″, SUBSYSTEM==”block”, PROGRAM==”/usr/lib/udev/scsi_id -g -u -d /dev/$parent”, RESULT==”36000c2993f2aa2059211cad7b5930f91″, SYMLINK+=”asm-disk03″, OWNER=”grid”, GROUP=”asmadmin”, MODE=”0660″
#sdf1
KERNEL==”sd?1″, SUBSYSTEM==”block”, PROGRAM==”/usr/lib/udev/scsi_id -g -u -d /dev/$parent”, RESULT==”36000c29ea8626431ac553e9ec82d4d58″, SYMLINK+=”asm-disk04″, OWNER=”grid”, GROUP=”asmadmin”, MODE=”0660″
#sdh1
KERNEL==”sd?1″, SUBSYSTEM==”block”, PROGRAM==”/usr/lib/udev/scsi_id -g -u -d /dev/$parent”, RESULT==”36000c292e30b8d54846d5de1787d8f27″, SYMLINK+=”asm-disk05″, OWNER=”grid”, GROUP=”asmadmin”, MODE=”0660″
11.Refresh the udev rules
udevadm trigger
udevadm control –reload-rules
12.Now the asm-disk05 will be visible.
[root@XXX rules.d]# ls -l /dev/ | grep asm-disk
lrwxrwxrwx 1 root root 4 Nov 16 04:49 asm-disk01 -> sdc1
lrwxrwxrwx 1 root root 4 Nov 16 04:49 asm-disk02 -> sdd1
lrwxrwxrwx 1 root root 4 Nov 16 04:49 asm-disk03 -> sde1
lrwxrwxrwx 1 root root 4 Nov 16 04:50 asm-disk04 -> sdf1
lrwxrwxrwx 1 root root 4 Nov 16 04:49 asm-disk05 -> sdh1
13.Now open asmca after login to grid user .
14.Add disk to diskgroup by right click on particular diskgroup
15.Now disk is added successfully on +DATA